Question: In a recent article, a mathematician claimed that by using a DFT to process 1 second of signal data it was possible to detect the

In a recent article, a mathematician claimed that by using a DFT to process 1 second of signal data it was possible to detect the presence of two sinusoids of roughly the same amplitude but separated by only 0.75 Hz . Is that really possible? Give a complete explanation of your answer. (No... you don't need to know the sampling rate!!!)
In a recent article, a mathematician claimed that

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